Home / 404,027.16-557,561.28-222,745.44

Finding the Fourth Proportional to 404,027.16, 557,561.28 and 222,745.44

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Solution

The fourth proportional to 404,027.16, 557,561.28 and 222,745.44 is: 307,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,027.16 : 557,561.28 = 222,745.44 : x
  2. Step 2: Convert to fraction form
    404,027.16/557,561.28 = 222,745.44/x
  3. Step 3: Cross multiply
    404,027.16x = 557,561.28 × 222,745.44
  4. Step 4: Simplify right side
    404,027.16x = 124,194,232,640.56
  5. Step 5: Solve for x
    x = 124,194,232,640.56/404,027.16
  6. Step 6: Final answer
    x = 307,390.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.